The "Squisd Nebula" (Ou4)  within the Flying Bat Nebula (Sh2-129) -- full color
The "Squid Nebula" (Outters 4) is embedded in the red emissione Nebula Sh2-129 ("Flying Bat") in Cepheus.  Ou4 was discovered in June, 2011 by Nicolas Outeers.
This image is a joint project of James Foster and Michael A. Stecker.
Click on the image to see a high resolution photo.
file: SquidNeb70minCOLOR-10Dec23ddp2final2&HA&OIIIcrop2-MAS1a.jpg

Photographic Data
telescope:
Sky-Watcher Quattro 250P (10-inch f/4 Newtonian telescope with coma corrector)
FL= 1,000 mm

mount:
Astro-Physics 1200 GTO

Guiding: off-axis

imaging camera:
ZWO ASI6200MM true color shot with Hydrogen-alpha, red, green and blue filters

exposure and filters:
A total exposure time of 8.2 hours with a ZWO ASI6200MM-Pro full-frame monochrome camera.
 70-minutes each RGB, plus 366-minutes 3 nm Oxygen-III and 56 minutes 3 nm Hydrogen-alpha filters

Processing:
Stacked and processed by James Foster with Maxim DL software and post-processed by Michael Stecker in Photoshop Elements 2021
.
photographic site:
James Foster observatory at Frazier Park California
(Bortle 4 at 5,500 ft elevstion)